Series of holding-vats.



W. J. DAVIS.

SERIES 0F HOLDING VATS. APPLICATION FILED Nov. 4, 1911.

PatentedAug. 18, 1914.

55 vats and is perforated with a hole opposite WILLIAM J. DAVIS, OF CHICAGO, ILLINOIS.

SERIES or HOLDING-viens Specification of Letters Patent.

Patented Aug. `18, y1914.

Application led November 4, 1911. Serial No. 658,602.

To all whom it may concern .Be it known that I,W1LLIAM J Davis, a citizen ofthe United States` residing in the city of Chicago, in the county of Cook and State of Illinois, have invented a new and useful Series of Holding-Vats, of which the following is a specilication.

My invention is concerned with a novel form of valve mechanism for holding vats for pasteurizing milk, etc., of the general character shown in my application No. 716,374, filed August 22, 1912, which valve mechanism is illustrated in the annexed sheet of drawings, in whichyFigure 1. is an illustration in perspective of my apparatus. Fig. 2. is a sectional view of the inlet and outlet pipes. Fig. 3. is a detail showing the section of stuffing box inlet and outlet.l Fig. 4. is a detail showing section of sleeve.

Similar figures refer to same parts throughout the drawing.

The tank 1, is of suiiicient size to hold all the holding vats 2, 2, 2, with a sufficient volume of steam or liquid a'round them to preserve the required temperature. The Steam or the liquid for maintaining the desired temperature in the contents of the holding vats 2, 2, 2, is introduced into the tank 1, at any desired point in any customary manner, and the overiow of said liquid is carried oi by a pipe, not shown, but suitably located at such a ypoint that such steam or liquid will not rise above the top of any of said holding vats 2, 2, 2.

The holding vats 2, 2, 2, may be of any desired number and of any desired capacity,

and are rigidlyvattached to the tank 1, and of sufficient depth that their sides and bottoms may be surrounded by the heating or cooling liquid in the tank 1, yet such liquid can not overflow the tops of said holding vats 2, 2, 2. A branch pipe 7a leads out of the end on a level with the bottomof each of said holding vats 2, 2, 2, into the sleeve 5, in the ,outlet pipe 4. An agitator paddle 9, 9, 9, consisting preferably of aluminum, is in each of said holding vats 2, 2, 2, to keep lthe liquid thereinuin constant movement, whilebeing ,tieated, so as to preserve a uniform heat therein, and, in case of milk, to prevent the separation of the cream or butterv Jflat from the milk. The inlet pipe 3, preferably of tinned copper, extends horizontally above one end of -all of the holding each of said v ats 2, 2, 2, for the passage of the liquid to be treated into said vats. To one end of said inlet pipe 3 is aflixed a ratchet wheel 6, with teeth equal to the number of said holding vats 2, 2, 2. In the other end of said inlet pipe 3 is a inlet stuffing box 6 Fig. 3, in which the inlet pipe 3 revolves, and into this stuffing box Fig. 3 a continuous flow of the liquid to be treated may be admitted through the pipe 27 or may be cut oli' by the valve 27. Upon one end of said inlet pipe 3 is a cap 5 closing that end, which may be readily removed to facilitate the cleaning of said pipe 3.

The outlet pipe 4 is a duplicate of the inlet pipe, except that it has an outlet stuffing box 29, upon one end thereof, of similar construction to the inlet stuling box 6 and extends along and below the bottoms of the several holding vats 2, 2, 2, and is connected vto the said bottoms of said vats 2, 2, 2, by

means of branch pipes 7a, 7, 7, leading out of the ends of the several holding vats 2, 2, 2, at or near the bottoms thereof.

The valves by which the liquid to be treated may be turned into or cut off from the several holding vats 2, 2, 2, and the valves by which the liquid which has been treated may be released from the several holding vats 2, 2, 2, are formed by the perlorations 30, 30, 30. in said pipes 3 and 4, each of which perfor-ations 30, is within a sleeve 5, closely embracing such pipe, which pipe when actuated, by their ratchet wheels 6, G, make a simultaneous partial revolution in said sleeves. 1n each of 'said sleeves -i is an' opening connected` with a branch pipe leading into or out of the adjacent vat 2. The lperforations 30, 30, 30, in said pipes 3 and 4, are so placed therein that at each partial revolution of said pipes 3 and 4 one of said perforations 30, in each of said pipes 3 and 4, coincides with the opening in the sleeve 5, embracing it. thus opening those valves, and all the other perforations 30, 30, 30, in both of said pipes are closed by their respective sleeves 5, 5, 5. such coincidences occurring successively in each such pipes 3 and 4 at each action of the ratchets 6. 6. Said inlet pipe 3 and outlet pipe 4. are so adjusted, in reference to each other, that when any valve at the outlet of anysuch .vat 2, is closed, the valve leading into such vat is, at the same moment, opened. The ratchet wheels 6. 6, on the inlet pipe 3 and on the outlet pipe 4, are. so adjusted that tached to the tank 1 by means of the angle Suppose, for instance, that it is desired to destroythe harmful geruis in milk, by heat- "age of the liquid in said pipes 3 and 4 is piaratus will, it isbelieved, be perfectly clear they are acted upon and move simultaneously, thus causing the partial revolution of both said pipes 3 and 4.

The inlet pipe 3 enters the inlet stuffing box 6a and the .outlet pipe 4 enters the outlet stung box 29, as shown in Fig. 3, and leakprevented by the packing 33, pressed down by the bevel Washer 32, by turning the threaded stuffing box ring 31, upon it, While still permitting the easy revolution of the pipes 3 and 4 Within the stuiing boxesa and 29, both stuiing boxes being rigidly atirons 34, 34, one of Which is shown in Fig. 2, but not elsewhere.

The sleeves 5, 5, 5, embracing the inlet pipe 3 and the outlet pipe 4 and inclosing the perforations 30, 30, 30, in said pipes, have a threaded stuiing box ring 37 upon each end thereof which being turned down upon' the bevel Washer 36 so'compresses the packing 35, upon the surface of said pipes 3 and 4, as to prevent the leakage of the liquid in said pipes, and yet admit for the free revolution of said pipes 3 and 4, in said sleeves 5, 5, 5.

The apparatus is actuated by a motor 10, acting through a spur gearing 11, upon a shaft 12, upon Which is a Worin 13, acting upon a Worm Wheel 17, actuatinga shaft 18,z upon which is a Worm 19, acting on a Worm,I wheel upon the cam Wheel 20, causing it tof revolve Slowly. The cam lever 21, actuated by the counter weight 23, and by the cam Wheel 20, acting on the connecting rods 24, 24, the ratchet levers 25, 25, and the pawls 26, 26, cause a simultaneous partial revolution of both the inlet and outlet pipes 3 and 4, measured by the number of teeth'on the ratchet Wheels 6, 6, at each full revolu;` tion of the cam Wheel 20. Each such par? tial revolution of the inlet pipe 3 and the outlet pipe 4 opens a valve in the inlet pipe 3 leadmg into one of saidl holding vats-2, and opens a valve leading out of the next succeeding holding vat 2, all other valves in both of said pipes being closed. The action of the agitating paddles 9, 9, 9, in all of said holding vats 2, 22, is obtained by a worin 13, on the shaft 12, acting on a Worm Wheel 14,-alink 15, actuating the a itating lever 8, attached to the paddle sha 8, to which is rigidly afxed' a paddleA 9, in each-of said holding vats 2,v 2, 2, extending down into and nearly approaching the bottoms of each olfsaidholding vats 2, 2, 2.

l The construction 'and operation of my apom the foregoing. f

ing it'up-toj145" lF., and then holding it at that temperature tot thirty minutes, and at the same time, securepa continuous dow not milk from the heater into the holding vats,

and a continuous flow of milk, after it has 25, 25, and the paWls 26, 26, acting upon the ratchet Wheels 6, 6, attached to the ends of the inlet pipe 3, and the outlet pipe 4, forces one-seventh of a revolution of both of said pipes; this closes the valve in the inlet pipe adjacent to and leading into holding vat No. 1 and opens the valve adjacent to and leading into holding vat No. 2, and so on until holding vat No. 6 is filled, when the next partial revolution of said inlet and outlet pipes, not only closes the valve opening into vat No. 6, and opens` the valve leading into holding vat No. 7, but also opens the valve leading into the outlet pipe 4 from vat No. 1, which is emptied While vat No. 7 is beinglled. At the next partial revolution at the outlet of vat No. 2 is opened. At the time when or shortly before the milk is turned on, the tank 1, is filled with hot Water of suilicient temperature to maintain the milk at 145o in the holding vats, and the temperature thereof is constantly maintained by a hot water pump or by an injection of steam into the tank 1. During all the Vtime that the mechanism for the actuation oi' the pipes as above described is in operation, the agitating paddles 9, 9, 9, are being constantly oscillated in the several holding vats 2, 2, 2, thus preventing the separation of the cream from the milk While it is being held in the vats.

Having described my invention, What l \clain1 as new and desire to secure bv Letters l Patent, is

1. lin an apparatus of the character described, a tank With a number of separate holding vats therein, an inlet pipe with sides perforated with an opening adjacent to each of said holding vats, sleeves embracing said inlet pipe over each of said openings therein, an opening ineacli sleeve vleading into one of said holding vats, theopenings in said inlet pipe being so located -that'each partial revolution thereoflin said'sleeves causes one of .said openings to coincide' Vwith .an opening' in one ot said sleeves, an outletpipe of same construction as said inlet pipe, sleeves embracing said outlet pipe over each opening therein, an opening in each of said sleeves, each connected with an opening in the bottom of the adjacent holding vat, and mechanism for causing a simultaneous partial revolution of said inlet and said outlet pipes in said sleeves at fixed periods, said inlet and outlet pipes being so adjusted With reference to the positions of the openings in each pipe, that the simultaneous partial revolution of said pipes closes an outlet and opens an inlet of the same holding vat.

2. In an apparatus of the character described, a number of holding vats, an inlet valve and an outlet valve connected With the inlet and the outlet of each of said holding vats, an inlet pipe to conduct liquid to be treated to all of said inlet valves, an outlet lpipe to conduct liquid treated from all of said valves, an inlet stuing box in which one end of the said inlet pipe may revolve, an outletvstufling box in which one end of said outlet pipe may revolve, sleeves embracing the inlet and the outlet pipes o posite to each holding vat, ratchet Wheels afilxed to one end of each of said inlet and outlet pipes, and means coperatin With said ratchet Wheels to cause a simuaneous-par tial revolution of both said ratchet Wheels at stated periods.

3. In an apparatus of the character described, a number of separate holding vats, an inlet pipe and an outlet pipe adjacent to the ends of said holding vats, openings in each of said pipes .opposite to the end of each holding vat, a removable'cap upon one end of both of said pipes, an inlet stuffing box with a removable cap, upon one end of the inlet pipe, an outlet stuffing box, with a removable cap upon one end of the outlet pipe, sleeves embracing each of said pipes covering each opening therein, an opening in each sleeve connected with the adjacent lholding vat, the openings in -each of said pipes being so located that when an opening therein coincides with an opening in the sleeve, all other openings in such pipe are closed by the sleeves, ratchet Wheels affixed to one end of each of said pipes, and means by which a simultaneous partial re'volution of both said ratchet wheels is affected, so that coincidence of openings in the pipes with openings in sleeves occur successively at each partial revolution of said pipes, said pipes being so adjusted that the valve opening into a vatis opened and the valve atithe outlet of the same vat, is closed simultaneously.

4. In an apparatus of the character de scribed, the combination With a number of holding vats, an inletpipe closed at one end and having an inlet stuffing box at the other, openings in said pipe adjacent to each of said holding vats, a sleeve covering each of such openings in said, pipe with an openingV in such sleeve connected with the adjacent holding vat, an outlet pipe closed at one end and having an outlet stuling box at the other end, openings in said pipe adjacent to each holding vat, a sleeve covering each of such openings in said pipe With an opening in such sleeve connected With'the adjacent holding vat, ratchet wheels affixed to an end of each of said pipes, and mechanism which simultaneously at stated periods partially revolves both pipes in the sleeves and` stuli'- ingvboxes, the openings in each pipe being so located that by each partial revolution thereof, only one opening therein coincides with an opening in a sleeve.

In an apparatus of the character described, the combination with a multiplicity of separate holding vats, of an inlet pipe with a removable cap at one of its ends, its sides being perforated with openings, each of said openings leading to one of said holding vats, an inlet stuffing box embracing one end of said pipe, sleeves embracing said pipe and covering each opening therein, an opening in each sleeve corresponding to the opening in said pipe and connected with one of said holding vats, an outlet pipe with removable cap at one of its ends, its sides being perforated With openings, eachof said openings leading from one of said holding vats, an outletstufling box embracing one end oi said pipe, sleeves embracing said outlet pipe and covering each opening therein, an opening in each outlet sleeve corresponding to the opening in said outlet pipe and connected with an opening at or near the bottom of one of said holding vats, and a mechanism for causing periodical partial revolutions of both the inlet and the outlet pipes, simultaneously. I

6. In an apparatus of the class described, the combination with a plurality of holding vats, of inlet and outlet'pipes for each of said vats, valve mechanism associated with" said pipes comprising a rotating hollow member having a plurality of apertures corresponding to the number o vats, said apertures being set in different angular relations tothe pipes with which they coperate, and means for rotating the member step by step, bringing the apertures successively into register With their coperating pipes so that the vats will be filled seriatim and emptied seriatim after standing While some of the other vats have been emptied and lled.

7. In an apparatus of the class described, the combination with a plurality of holding vats, of inlet and "outlet pipes for each of said vats, valve mechanism associated with said pipes comprising a pair of rotatinghol- 1 oW members, each having' a plurality of apertures corresponding to the number of the vats, one associated with thev inlet pipes and the other with the outlet pipes, said apertures being set in di'erent angular relai l tions to the pipes with which they coperate, :md mea-ns'itor rotating the members step by step, bringing the apertures successwely into register with their coperating pipes so that M vets have been opere-ted to refill them, after which the outlet pipe for the particular vat will again be opened.

ln testimony whereof, lt hovesigned my name in the presence of two Witnesses this 31st day of October 1911. i

WILLAM J.. DAVIS. Vtitluesses lV. C. DAVIS,

lll. H. BERG. 

